package com.lbc.chat;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;

public class TalkReceive implements Runnable {
    DatagramSocket socket = null;

    private int port;
    private String msgForm;

    public TalkReceive(int port, String msgForm) {
        this.port = port;
        this.msgForm = msgForm;
        try {
            socket = new DatagramSocket(port);
        } catch (SocketException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void run() {
        while (true) {
            try {
                //  准备接收包裹
                byte[] container = new byte[1024];
                DatagramPacket packet = new DatagramPacket(container,0,container.length);
                socket.receive(packet);  //  阻塞式接收包裹

                //  断开连接 bye
                byte[] data = packet.getData();
                String receiveData = new String(data,0,data.length);

                System.out.println(msgForm+"："+receiveData);

                if (receiveData.equals("bye")) {
                    break;
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        socket.close();
    }
}
